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Finding the Fourth Proportional to 9,784.07, 14,675.96 and 3,940.53

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Solution

The fourth proportional to 9,784.07, 14,675.96 and 3,940.53 is: 5,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.07 : 14,675.96 = 3,940.53 : x
  2. Step 2: Convert to fraction form
    9,784.07/14,675.96 = 3,940.53/x
  3. Step 3: Cross multiply
    9,784.07x = 14,675.96 × 3,940.53
  4. Step 4: Simplify right side
    9,784.07x = 57,831,060.66
  5. Step 5: Solve for x
    x = 57,831,060.66/9,784.07
  6. Step 6: Final answer
    x = 5,910.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.